/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package org.neo4j.values;

public interface ElementIdMapper {
    /**
     * @param id the node element id
     * @return the node id
     * @throws IllegalArgumentException
     */
    long nodeId(String id);

    /**
     * @param id the relationship element id
     * @return the relationship id
     * @throws IllegalArgumentException
     */
    long relationshipId(String id);
    /**
     * @param id the node id
     * @return the encoded element id for the corresponding node id
     */
    String nodeElementId(long id);

    /**
     * @param id the relationship id
     * @return the encoded relationship id for the corresponding node id
     */
    String relationshipElementId(long id);

    ElementIdMapper PLACEHOLDER = new ElementIdMapper() {
        @Override
        public long nodeId(String id) {
            return Long.valueOf(id.split("::")[1]);
        }

        @Override
        public long relationshipId(String id) {
            return Long.valueOf(id.split("::")[1]);
        }

        @Override
        public String nodeElementId(long id) {
            return "n::" + String.valueOf(id);
        }

        @Override
        public String relationshipElementId(long id) {
            return "r::" + String.valueOf(id);
        }
    };
}
